US3205090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating method
Assignee: RTX Corp
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Filing: 1963-07-02
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Granted: 1965-09-07
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Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 Stuart D Caplow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:18
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/18; C23C10/20; C23C10/24; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE METHOD OF APPLYING ANALUMINUM ENRICHED SURFACE TO METAL PARTS FROM THE GROUP OF REFRACTORY METALS CONSISTING OF TANTALUM, COLUMBIUM, TITANIUM AND THEIR ALLOYS WHICH CONSISTS ON PREPARING A COATING BATH BY ADDING ALUMINUM METAL TO A MIXTURE OF ALUMINUM FLUORIDE AND A SECOND METAL FLUORIDE FROM THE GROUP CONSISTING OF THE ALKALINE EARTH METALS AND THE ALKALI METALS, HEATING
Claim 2
Independent Claim
60 words
THE METHOD OF APPLYING ANALUMINUM ENRICHED SURFACE TO METAL PARTS FROM THE GROUP OF REFRACTORY METALS CONSISTING OF TANTALUM, COLUMBIUM, TITANIUM AND THEIR ALLOYS WHICH CONSISTS ON PREPARING A COATING BATH BY ADDING ALUMINUM METAL TO A MIXTURE OF ALUMINUM FLUORIDE AND A SECOND METAL FLUORIDE FROM THE GROUP CONSISTING OF THE ALKALINE EARTH METALS AND THE ALKALI METALS, HEATING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |